Message-ID: <557E249B.6070208@redhat.com>
Date: Sun, 14 Jun 2015 21:04:27 -0400
From: Rik van Riel <riel@redhat.com>
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To: Ebru Akagunduz <ebru.akagunduz@gmail.com>, linux-mm@kvack.org
CC: akpm@linux-foundation.org, kirill.shutemov@linux.intel.com,
        n-horiguchi@ah.jp.nec.com, aarcange@redhat.com, iamjoonsoo.kim@lge.com,
        xiexiuqi@huawei.com, gorcunov@openvz.org, linux-kernel@vger.kernel.org,
        mgorman@suse.de, rientjes@google.com, vbabka@suse.cz,
        aneesh.kumar@linux.vnet.ibm.com, hughd@google.com, hannes@cmpxchg.org,
        mhocko@suse.cz, boaz@plexistor.com, raindel@mellanox.com
Subject: Re: [RFC 1/3] mm: add tracepoint for scanning pages
References: <1434294283-8699-1-git-send-email-ebru.akagunduz@gmail.com> <1434294283-8699-2-git-send-email-ebru.akagunduz@gmail.com>
In-Reply-To: <1434294283-8699-2-git-send-email-ebru.akagunduz@gmail.com>
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On 06/14/2015 11:04 AM, Ebru Akagunduz wrote:
> Using static tracepoints, data of functions is recorded.
> It is good to automatize debugging without doing a lot
> of changes in the source code.
> 
> This patch adds tracepoint for khugepaged_scan_pmd,
> collapse_huge_page and __collapse_huge_page_isolate.

These trace points seem like a useful set to figure out what
the THP collapse code is doing.

> Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>

Acked-by: Rik van Riel <riel@redhat.com>

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